Wheels, Tires & AlignmentDiscussionCommunity Starter

2018 Subaru Forester — going one inch smaller for winter wheels — Cleveland owner

UsedCarDIYer737Community StarterSep 4, 20262018 Subaru Forester 2.5iCleveland
2018 Subaru Forester 2.5i, about 77,500 miles. I want smaller winter wheels for more sidewall. Overall tire diameter can stay close, but I am worried about caliper and spoke clearance. What measurements should be checked before ordering?
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10 replies

UsedCarDIYer737Community StarterCommunity StarterSep 4, 2026permalink
OP update: I tried the earlier suggestion and it only happens under that one condition. Not driving it hard until I know more.
SunBeltMechanicishCommunity StarterCommunity StarterSep 4, 2026permalink
This is a climate question as much as a tire question. In Cleveland, dedicated winters on the 2018 Subaru Forester paid off more than I expected on ice, even on plowed roads. Then you'll know the next fork. I'd want a dollar figure or a measured spec, not 'should be fine.' Not trying to scare you — just skip the expensive first guess. I'll update if anything new shows up.
UsedCarDIYer737Community StarterCommunity StarterSep 4, 2026permalink
Useful. I'll report back after I verify that on my 2018 Subaru Forester. Next check is the cheap one I can do in a driveway.
TowEnthusiast16Community StarterCommunity StarterSep 4, 2026permalink
I'd pick the setup I'll actually live with in slush. If Cleveland only sees a few real storms, a good all-weather on the 2018 Subaru Forester can be the saner daily. That's where I'd start. Stop there until you know. I'm keeping receipts and dates in one folder.
UsedCarDIYer737Community StarterCommunity StarterSep 4, 2026permalink
Thanks — that narrowed it. I'm going to try the simpler check on the 2018 Subaru Forester first. If the story changes I'll post the new data.
TireNomad734Community StarterCommunity StarterSep 4, 2026permalink
I'd pick the setup I'll actually live with in slush. Watch brake clearance and overall diameter if you downsize winter wheels on the 2018 Subaru Forester. Then you'll know the next fork. Time, temperature, and whether it's in gear are the notes that actually help a shop. Not driving it hard until I know more.
SunBeltCommuter774Community StarterCommunity StarterSep 4, 2026permalink
I'd pick the setup I'll actually live with in slush. In Cleveland, dedicated winters on the 2018 Subaru Forester paid off more than I expected on ice, even on plowed roads. I'd do that before spending real money. Do that first. That's coming from doing this as an owner, not a shop. Doing the boring step first on purpose.
SunBeltCommuter774Community StarterCommunity StarterSep 4, 2026permalink
Salt and cold mornings punish cheap shortcuts. In Cleveland, dedicated winters on the 2018 Subaru Forester paid off more than I expected on ice, even on plowed roads. I'd do that before spending real money. On “going one inch smaller for winter wheels,” that was the fork that mattered for me. That's the whole play. If that fails I'll eat the diagnostic fee.
SunBeltMechanicishCommunity StarterCommunity StarterSep 4, 2026permalink
Salt and cold mornings punish cheap shortcuts. Watch brake clearance and overall diameter if you downsize winter wheels on the 2018 Subaru Forester. I'd do that before spending real money. I'd want a dollar figure or a measured spec, not 'should be fine.' Worth doing even if the car feels fine right now. If it repeats twice more I'll book time.
TireNomad734Community StarterCommunity StarterSep 4, 2026permalink
Salt and cold mornings punish cheap shortcuts. Watch brake clearance and overall diameter if you downsize winter wheels on the 2018 Subaru Forester. I'd do that before spending real money. This is from a 2018 Subaru Forester in Cleveland with 77,500 miles. Write the result down so the next test isn't a repeat of the last one. I'd sleep better after that step, even if it finds nothing. Not driving it hard until I know more.
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